G04C 23/00 Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
CPC: Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00)
Full Title
Full titles differ between systems:
Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- G04C 23/14 Mechanisms continuously running to relate the operation(s) to the time of day IPC+CPC Available in IPC and CPC
- G04C 23/38 Mechanisms measuring a chosen time interval independently of the time of day at which interval starts IPC+CPC Available in IPC and CPC